
/**
 * @file   hello.cpp
 * @author Linfufu
 * @date   Sun Sep 19 20:38:32 2021
 * 
 * @brief  the homework
 * 
 * 
 */



#include <iostream>

int main(int argc,char* argv[])
{
  std::cout << "Hello World!" <<std::endl;
  return 0;
}
